<template>
    <div>
        <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>权限管理</el-breadcrumb-item>
      <el-breadcrumb-item>角色列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
        <el-row>
            <el-col>
                <el-button type="primary">添加角色</el-button>
            </el-col>
        </el-row>

        <el-table :data="roleList">

            <el-table-column type="expand">
                <template slot-scope="scope">
                    <el-row :class="['bdbottom',i1==0?'bdtop':'','vcenter']" v-for="(item1,i1) in scope.row.children" :key="item1.id">
                        <el-col :span="5">
                            <el-tag closable @close="closeRight(scope.row,item1.id)">{{item1.authName}}</el-tag>
                            <i class="el-icon-caret-right"></i>
                        </el-col>
                        <el-col :span="19">
                            <el-row :class="[i2===0?'':'bdtop','vcenter']" v-for="(item2,i2) in item1.children" :key="item2.id">
                                <el-col :span="6">
                                    <el-tag type="success" closable @close="closeRight(scope.row,item2.id)">{{item2.authName}}</el-tag>
                                    <i class="el-icon-caret-right"></i>
                                </el-col>
                                <el-col :span="13">
                                    <el-tag type="warning" v-for="(item3,i3) in item2.children" :key="item3.id" closable @close="closeRight(scope.row,item3.id)">{{item3.authName}}</el-tag>
                                </el-col>
                            </el-row>
                        </el-col>
                    </el-row>
                </template>
            </el-table-column>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="角色名称" prop="roleName"></el-table-column>
            <el-table-column label="角色描述" prop="roleDesc"></el-table-column>
            <el-table-column label="操作" width="300px">
                <template slot-scope="scope">
                    <el-button size="mini" type="primary" icon="el-icon-search">编辑</el-button>
                    <el-button size="mini" type="danger" icon="el-icon-search">删除</el-button>
                    <el-button size="mini" type="warning" icon="el-icon-search" @click="showSetRightDialog(scope.row)">分配权限</el-button>
                </template>
            </el-table-column>
        </el-table>
    </el-card>
    <el-dialog title="分配权限" :visible.sync="setRightDialogVisible" width="50%" @close="rightClosed">
      <!-- <span>是否添加用户</span> -->
      <!-- ref用来重置 -->
      <el-tree :data="rightList" :props="rightsProps" show-checkbox node-key="id" :default-checked-keys="defkeys" default-expand-all ref="treeRef">

      </el-tree>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRightDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addRights">确 定</el-button>
      </span>
    </el-dialog>

    </div>
</template>
<script>
export default {
    data(){
        return{
            roleList:[],
            setRightDialogVisible:false,
            rightList:[],
            rightsProps:{
                label:'authName',
                children:'children'
            },
            defkeys:[],
            roleId:'',
            
        }
    },
    created(){
        this.getRoleList()
    },
    methods:{
        async getRoleList(){
            const {data:res}=await this.$http.get('roles')
            if(res.meta.status!==200) return this.$message.error("获取失败")
            this.roleList=res.data
            console.log(this.roleList)
        },
        async closeRight(role,rightid){
            const {data:res} = await this.$http.delete('roles/'+role.id+'/rights/'+rightid)
            if(res.meta.status!==200) return this.$message.console.error("删除权限失败");
            this.$message.success(res.meta.msg)
            role.children=res.data
        },
        diguiRights(role,arr){
            if(!role.children) return arr.push(role.id)
            role.children.forEach(node => {
                this.diguiRights(node,arr)
            });
        },
        async showSetRightDialog(role){
            this.setRightDialogVisible=true
            this.roleId=role.id
            const {data:res} =await this.$http.get('rights/tree')
            if(res.meta.status!==200) return this.$message.error("获取失败")
            this.$message.success(res.meta.msg)
            this.rightList=res.data
            this.diguiRights(role,this.defkeys)
            
            console.log(this.rightList)
        },
        rightClosed(){
            this.defkeys=[]
        },
        async addRights(){
            const keys=[...this.$refs.treeRef.getCheckedKeys(),...this.$refs.treeRef.getHalfCheckedKeys()]
            const idStr=keys.join(',')
            console.log(idStr)
            const {data:res} = await this.$http.post(`roles/${this.roleId}/rights`,{rids:idStr})
            if(res.meta.status!==200) return this.$message.error("shibai")
            this.$message.success(res.meta.msg)
            this.getRoleList()
            this.setRightDialogVisible = false
        }
        
    }
}
</script>
<style lang="less" scoped>
.el-tag{
    margin:7px;
}
.bdtop{
    border-top:1px solid #eee;
}
.bdbottom{
    border-bottom: 1px solid #eee;
}
.vcenter{
    display: flex;
    align-items: center;
}
</style>